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WorksheetsNuclear Physics (AS-Level)
Total questions: 10
Worksheet time: 5mins
A proton consists of ...
2 up quarks and 1 down quark
1 up quark and 2 down quarks
1 up quark and 1 down quark
2 up quarks and 2 down quarks
The charge of an anti up quark is ...
+31 e
−31 e
+32 e
−32 e
The following diagram shows the intensity-energy graph of ...
α radiation
β+ radiation
β− radiation
γ radiation
The following diagram shows the intensity-energy graph of
α radiation
β radiation
γ radiation
ultraviolet radiation
1223Mg→1123Na+A+B
A and B in the equation is ...
A: positron, B: electron neutrino
A: electron, B: electron antineutrino
A: alpha particle, B: proton
A: alpha particle, B: neutron
Which of the following is NOT a hadron?
proton
neutron
meson
muon
In a β+ decay, the quark composition in one of the particle in the nucleus changes from ...
uud to udd
udd to uud
uud to ud
udd to ud
Which of the following is NOT a lepton?
electron
positron
neutrino
meson
An isotope of an element has the same ... but different number of ...
proton number, neutrons
mass number, proton number
atomic number, proton
mass number, neutrons
From this α-particle scattering experiment, most particles are not deflected. What does this prove?
There is a massive nucleus in the middle of the atom
Atom is mostly empty space
Atom has a neutral charge
The nucleus has a positive charge
